Stand up bicycle frame



FIG. 1 is a rear and left side perspective view of a stand up bicycleframe.

FIG. 2 is a front elevational view of a stand up bicycle frame.

FIG. 3 is a rear elevational view of a stand up bicycle frame.

FIG. 4 is a right side elevational view of a stand up bicycle frame.

FIG. 5 is a left side elevational view of a stand up bicycle frame.

FIG. 6 is a top plan view of a stand up bicycle frame; and,

FIG. 7 is a bottom plan view of a stand up bicycle frame.

The broken lines are included for the purpose of illustratingenvironmental structure and form no part of the claimed design.

CLAIM The ornamental design for a stand up bicycle frame, as shown anddescribed.